.dolphin_file_box {
  position: relative;
  overflow: auto;
  min-height: 150px;
  padding: 6px 12px;
  font-size: 14px;
  line-height: 1.42857143;
  color: #555;
  background-color: #fff;
  background-image: none;
  border: 1px solid #ccc;
  border-radius: 4px;
  -webkit-box-shadow: inset 0 1px 1px rgba(0, 0, 0, .075);
  box-shadow: inset 0 1px 1px rgba(0, 0, 0, .075);
  -webkit-transition: border-color ease-in-out .15s, -webkit-box-shadow ease-in-out .15s;
  -o-transition: border-color ease-in-out .15s, box-shadow ease-in-out .15s;
  transition: border-color ease-in-out .15s, box-shadow ease-in-out .15s;
}

.dolphin_file_box input[type="file"]{
  position: absolute;
  width: 100%;
  left: 0;
  top: 0;
  bottom: 0;
  z-index: 0;
  opacity: 0;
  cursor: pointer;
}

.dolphin_file_box:before{
  content: '点击或拖拽至此处上传文件';
  position: absolute;
  left: 0;
  top: 30%;
  width: 100%;
  text-align: center;
  font-size: 26px;
  color: #ccc;
  opacity: 0.5;
}

.dolphin_file_box .dolphin_files{
  position: absolute;
}

.dolphin_file_box .progress{
  position: absolute;
  width: 100%;
  left: 0;
  top: 0;
  height : 5px;
  margin-bottom: 0;
  display: none;
}
.dolphin_file_box .upload_complete{
  position: absolute;
  right: 0;
  opacity: 0.4;
  display: none;
}
